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The Sky at Night

Season 52 · Episode 5

We Just Don't Know

0.0May 5, 2008

Astronomy. Sir Patrick Moore celebrates the 666th edition of the programme by asking cosmologists exactly how much we know about the Universe.

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Episode 1Cosmic Debris
Episode 2Messenger to Mercury
Episode 3Return to the Moon
Episode 4The Sun Revealed
Episode 5We Just Don't Know
Episode 6Battle of the Giants
Episode 7Rise of the Phoenix
Episode 8Double Vision
Episode 9Galaxy Zoo
Episode 10Astral Autumn
Episode 11Big Bangs
Episode 12Other Worlds